| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package version; |
| |
| import java.security.AccessControlException; |
| import java.security.AccessController; |
| import java.security.Permission; |
| import java.security.PrivilegedAction; |
| |
| public class Version { |
| private static final Permission PERM1 = new RuntimePermission("setIO"); |
| private static final Permission PERM2 = new RuntimePermission("setFactory"); |
| |
| public int getVersion() { |
| checkPermission(PERM1, false); |
| checkPermission(PERM2, true); |
| return 9; |
| } |
| |
| private void checkPermission(Permission perm, boolean expectException) { |
| boolean getException = (Boolean) AccessController |
| .doPrivileged((PrivilegedAction) () -> { |
| try { |
| AccessController.checkPermission(perm); |
| return (Boolean) false; |
| } catch (AccessControlException ex) { |
| return (Boolean) true; |
| } |
| }); |
| |
| if (expectException ^ getException) { |
| String message = "Check Permission :" + perm + "\n ExpectException = " |
| + expectException + "\n getException = " + getException; |
| throw new RuntimeException(message); |
| } |
| } |
| } |
